1 #ifndef __SPARROW_EDGES_H__
2 #define __SPARROW_EDGES_H__
7 /* for discarding outliers */
8 #define OUTLIER_RADIUS 7
9 #define OUTLIER_THRESHOLD (OUTLIER_RADIUS * OUTLIER_RADIUS)
11 #define BAD_PIXEL 0xffff
13 #define FL_DUMPFILE "/tmp/edges.dump"
15 #define COLOUR_QUANT 1
16 #define COLOUR_MASK (0xff >> COLOUR_QUANT)
18 /*XXX should dither */
20 typedef enum corner_status
{
27 typedef enum edges_state
{
36 #define USE_FLOAT_COORDS 1
39 typedef float coord_t
;
40 typedef float coord_sum_t
;
41 #define QUANTISE_DELTA(d)((d) / LINE_PERIOD)
44 /* the mesh is stored in a fixed point notation.*/
45 #define SPARROW_FIXED_POINT 9
48 typedef gint64 coord_sum_t
;
49 #define QUANTISE_DELTA(d)(((d) + LINE_PERIOD / 2) / LINE_PERIOD)
53 typedef struct sparrow_estimator_s
{
60 //int mul; /* estimate: x1,y1 + mul * diff */
61 } sparrow_estimator_t
;
63 typedef struct sparrow_corner_s
{
66 /*dyr -> dy to next point right
67 dxd ->dx to next point down */
72 corner_status_t status
;
75 typedef struct sparrow_voter_s
{
81 typedef struct sparrow_point_s
{
86 typedef struct sparrow_cluster_s
{
88 sparrow_voter_t voters
[8];
92 typedef union sparrow_signal_s
{
98 typedef struct sparrow_intersect_s
{
101 } sparrow_intersect_t
;
103 typedef struct sparrow_line_s
{
109 /*condensed version of <struct sparrow_find_lines_s> for saving: contains no
110 pointers or other unnecessary things that might vary in size across
112 typedef struct sparrow_fl_condensed
{
115 } sparrow_fl_condensed_t
;
117 typedef struct sparrow_find_lines_s
{
118 sparrow_line_t
*h_lines
;
119 sparrow_line_t
*v_lines
;
120 sparrow_line_t
**shuffled_lines
;
127 sparrow_intersect_t
*map
;
128 sparrow_corner_t
*mesh_mem
;
129 sparrow_corner_t
*mesh
;
130 sparrow_corner_t
*mesh_next
;
131 sparrow_cluster_t
*clusters
;
137 } sparrow_find_lines_t
;
140 #define DEBUG_FIND_LINES(fl)GST_DEBUG( \
142 " sparrow_line_t *h_lines: %p\n" \
143 " sparrow_line_t *v_lines: %p\n" \
144 " sparrow_line_t **shuffled_lines: %p\n" \
145 " int current: %d\n" \
146 " int n_lines: %d\n" \
147 " int n_vlines: %d\n" \
148 " int n_hlines: %d\n" \
149 " gint shift1: %d\n" \
150 " gint shift2: %d\n" \
151 " sparrow_intersect_t *map: %p\n" \
152 " sparrow_corner_t *mesh: %p\n" \
153 " sparrow_cluster_t *clusters: %p\n" \
154 " IplImage *debug: %p\n" \
155 " IplImage *threshold: %p\n" \
156 " IplImage *working: %p\n" \
157 " IplImage *input: %p\n" \
158 " edges_state_t state: %d\n" \
162 (fl)->shuffled_lines, \
178 //#undef debug_find_lines
179 //#define debug_find_lines(x) /* */
182 #endif /*have this .h*/